From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 14 May 2009 10:38:26 +0200
From: Jan Kiszka <jan.kiszka@domain.hid>
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Subject: Re: [Xenomai-core] Troubles with switchtest
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To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai-core <xenomai@xenomai.org>

Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
>> I think the trick against /this/ is preempt_disable/enable in
>> kernel_fpu/begin/end. But that won't work for Xenomai, of course.
> 
> Well, that does not prevent an IRQ or a page fault from computing a RAID
> cheksum...

If this is allowed, then... My impression was that FPU access is not
legal from IRQ context.

Jan

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